Japanese symbol for “spl”

音圧レベル

おんあつレベル

Romaji: on'atsureberu

sound pressure level (usu. measured in decibel); SPL

In Japanese, spl is 音圧レベル, read おんあつレベル (on'atsureberu).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n sound pressure level (usu. measured in decibel); SPL

Kanji and stroke order

音

sound, noise

on: オン、イン、-ノン
kun: おと、ね

9 strokes · JLPT 3

圧

pressure, push, overwhelm

on: アツ、エン、オウ
kun: お.す、へ.す、おさ.える、お.さえる

5 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
音楽	おんがく ongaku	music
音声	おんせい onsei	voice; speech
録音	ろくおん rokuon	(audio) recording
本音	ほんね honne	real intention; motive; true opinion
騒音	そうおん souon	noise; din
発音	はつおん hatsuon	pronunciation
圧力	あつりょく atsuryoku	pressure
気圧	きあつ kiatsu	atmospheric pressure; air pressure

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.